הויזן
די
'pants'
ETYMOLOGY
I. Proto-Yiddish ✱hoːzən; Proto-EY ✱hoːzn; from MHG hose; cf. NHG Hosen.
Protovowel O3.
{Katz 1982: 59}
II. MHG hose; OHG hosa.
III. OS hosa; OE hosa; English hose;
from PIE ✱(s)keus-, from the root ✱(s)keu- 'to cover'.
{DW¹ 10:1836. Pfeiffer EWD "Hose".}
IV.The idiom אָנמאַכן אין די הויזן 'to poop one's pants (i.e., for fear)' appears to be a calque of Polish narobić w portki (ze strachu).

WESTERN
Alsace (France)
hosə 'pants' {ALSACE, Zuckerman 1969, 43}
di hosə {ALSACE, 47075 Mulhouse, 042-010}
Oyberland (West Transcarpathian)
ə hɔjs אַ הויז {WTCP, Dunajská Streda, 47179}
hɔ́jzn {WTCP, Vác, 47197}
CENTRAL
[hɔjs} הויז {Warsaw, Geller 2001: 72}
Unterland (East Transcarpathian)
hɔjzn {ETCP, Sîg Felső Szek, 47223}
hojzn {ETCP, Mukachevo, 48226}
hojzn {ETCP, Nyzhnya Apsha, 48233}
- a hojz
hójzn̩ {POLAND, Wolbrom, 50196}
hojzn {POLAND, Warsaw, 52211}
HASIDIC
AMERICA
man hɔjzn ɩz cərɩsn מײַן הויזן איז צעריסן (singular!)
tatə šɩk mir hɔjzn̩ טאַטע שיק מיר הויזן 'Dad send me pants (from a story of boy in camp making a request of his father; the father's response will depend on the boy's attitude)'
NORTHEASTERN
[זאַמעט} די רעוטע העוזן
[אַנדערע טיילן פֿון ליטע} די רייטע הייזן
hêjsen 'Hosen' {Grajewo, Olsvanger 1931}
Lithuania
höjzn {LITHUANIA, Vilnius, 54257}
SOUTHEASTERN
hojzn {ROMANIA, Brăila, 45273}